Atmos C15E - User Manual

Questions and Answers

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Sheri CurtisAug 10, 2025
Why is my Atmos C15E not reaching the required temperature?
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  bowmanronaldAug 11, 2025
  If your Atmos Boiler isn't reaching the required output temperatures, several factors could be responsible. Ensure there's enough water in the system by refilling it. The pump output might be excessive, so adjust the pump's switching and flow rate. Low-quality fuel, such as firewood with high moisture content or oversized logs, can also cause this issue; use dry firewood and split logs into halves. Finally, a leaking ignition valve may be the culprit, requiring repair.
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Adrian ReidAug 16, 2025
What to do if the ventilator of my Atmos Boiler does not turn?
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  Mr. Henry BarrettAug 16, 2025
  If the ventilator of your Atmos Boiler isn't turning, first check if the boiler overheated, causing the safety thermostat fuse to trip; if so, press the thermostat push-button (using a pencil). A clogged rotating wheel can also prevent the ventilator from turning, so clean the ventilator, including the ducting, from tar and sediments. Other potential causes include a defective capacitor or motor, requiring replacement, or a bad contact in the plug of the motor cable lead, which should be checked.
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Jon SmithAug 22, 2025
How to fix leaking doors on my Atmos C15E?
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  Lori ClarkAug 22, 2025
  If the doors of your Atmos Boiler are leaking, it could be due to a defective fibreglass cord, which needs replacement. Another cause might be a clogged nozzle; in this case, adjust the door hinges. Insufficient chimney draught can also contribute to this issue; avoid burning small-particle wood, sawdust, and bark.
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Walter LarsenAug 28, 2025
What to do if the “mains” indicator is not lit up on my Atmos C15E Boiler?
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  Nicholas SmithAug 29, 2025
  If the “mains” indicator on your Atmos Boiler is not lit, check for voltage in the network and ensure the plug is correctly inserted into the electrical socket. If these are fine, the power supply switch or electric cord may be defective and require replacement.
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Jacob WuSep 4, 2025
What causes Atmos Boiler to not reach required outputs?
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  brian11Sep 4, 2025
  If your Atmos Boiler isn't reaching its required outputs and pre-set water temperatures, several issues might be responsible. Insufficient chimney draught can be a cause, suggesting a new chimney or unsuitable connection. Excessive chimney draught can also be a factor; in this case, place a throttle valve (draught limiter) in the flue-gas duct. Bent blades of the draught ventilator can reduce output; straighten the blades to a 90° angle. Other potential reasons include ignition being too long or the boiler being operated with the ignition flap open, requiring replacement, an insufficiently cleaned boiler, which needs cleaning, or a clogged combustion-air inlet to the loading chamber, which also requires cleaning.